DE3875183T2 - Dauermagnete. - Google Patents

Dauermagnete.

Info

Publication number
DE3875183T2
DE3875183T2 DE8888112260T DE3875183T DE3875183T2 DE 3875183 T2 DE3875183 T2 DE 3875183T2 DE 8888112260 T DE8888112260 T DE 8888112260T DE 3875183 T DE3875183 T DE 3875183T DE 3875183 T2 DE3875183 T2 DE 3875183T2
Authority
DE
Germany
Prior art keywords
permanent magnet
permanent
magnet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE8888112260T
Other languages
English (en)
Other versions
DE3875183D1 (de
Inventor
Koichi Yajima
Osamu Kohmoto
Tetsuhito Yoneyama
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Corp
Original Assignee
TDK Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by TDK Corp filed Critical TDK Corp
Application granted granted Critical
Publication of DE3875183D1 publication Critical patent/DE3875183D1/de
Publication of DE3875183T2 publication Critical patent/DE3875183T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
    • B22F9/008—Rapid solidification processing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
    • H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
    • H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
    • H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
    • H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
    • H01F1/047—Alloys characterised by their composition
    • H01F1/053—Alloys characterised by their composition containing rare earth metals
    • H01F1/055—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5
    • H01F1/057—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B
    • H01F1/0571—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes
    • H01F1/0575—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together
    • H01F1/0578—Alloys characterised by their composition containing rare earth metals and magnetic transition metals, e.g. SmCo5 and IIIa elements, e.g. Nd2Fe14B in the form of particles, e.g. rapid quenched powders or ribbon flakes pressed, sintered or bonded together bonded together

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Hard Magnetic Materials (AREA)
DE8888112260T 1987-07-30 1988-07-28 Dauermagnete. Expired - Fee Related DE3875183T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP19138087 1987-07-30
JP62259373A JPH01103805A (ja) 1987-07-30 1987-10-14 永久磁石

Publications (2)

Publication Number Publication Date
DE3875183D1 DE3875183D1 (de) 1992-11-12
DE3875183T2 true DE3875183T2 (de) 1993-05-06

Family

ID=26506662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888112260T Expired - Fee Related DE3875183T2 (de) 1987-07-30 1988-07-28 Dauermagnete.

Country Status (4)

Country Link
US (1) US5049208A (de)
EP (1) EP0302395B1 (de)
JP (1) JPH01103805A (de)
DE (1) DE3875183T2 (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
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US5538565A (en) * 1985-08-13 1996-07-23 Seiko Epson Corporation Rare earth cast alloy permanent magnets and methods of preparation
US6136099A (en) * 1985-08-13 2000-10-24 Seiko Epson Corporation Rare earth-iron series permanent magnets and method of preparation
US5167914A (en) * 1986-08-04 1992-12-01 Sumitomo Special Metals Co., Ltd. Rare earth magnet having excellent corrosion resistance
US5213631A (en) * 1987-03-02 1993-05-25 Seiko Epson Corporation Rare earth-iron system permanent magnet and process for producing the same
JP2720039B2 (ja) * 1988-02-26 1998-02-25 住友特殊金属株式会社 耐食性のすぐれた希土類磁石材料
US5190684A (en) * 1988-07-15 1993-03-02 Matsushita Electric Industrial Co., Ltd. Rare earth containing resin-bonded magnet and its production
JP2576672B2 (ja) * 1989-07-31 1997-01-29 三菱マテリアル株式会社 磁気的異方性および耐食性に優れた希土類ーＦｅーＣｏーＢ系永久磁石粉末およびボンド磁石
JP2576671B2 (ja) * 1989-07-31 1997-01-29 三菱マテリアル株式会社 磁気的異方性および耐食性に優れた希土類ーＦｅーＢ系永久磁石粉末およびボンド磁石
US5147473A (en) * 1989-08-25 1992-09-15 Dowa Mining Co., Ltd. Permanent magnet alloy having improved resistance to oxidation and process for production thereof
US5183630A (en) * 1989-08-25 1993-02-02 Dowa Mining Co., Ltd. Process for production of permanent magnet alloy having improved resistence to oxidation
US5269855A (en) * 1989-08-25 1993-12-14 Dowa Mining Co., Ltd. Permanent magnet alloy having improved resistance
US5290509A (en) * 1990-01-22 1994-03-01 Sanyo Electric Co., Ltd. Multiphase hydrogen-absorbing alloy electrode for an alkaline storage cell
US5250206A (en) * 1990-09-26 1993-10-05 Mitsubishi Materials Corporation Rare earth element-Fe-B or rare earth element-Fe-Co-B permanent magnet powder excellent in magnetic anisotropy and corrosion resistivity and bonded magnet manufactured therefrom
JP2586199B2 (ja) * 1990-09-26 1997-02-26 三菱マテリアル株式会社 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｃｏ―Ｂ系永久磁石粉末およびボンド磁石
JP2586198B2 (ja) * 1990-09-26 1997-02-26 三菱マテリアル株式会社 磁気的異方性および耐食性に優れた希土類―Ｆｅ―Ｂ系永久磁石粉末およびボンド磁石
EP0558691B1 (de) * 1991-03-08 1994-11-30 BASF Aktiengesellschaft Eine neue kategorie magnetischer materialien, deren herstellung und anwendung
US5093076A (en) * 1991-05-15 1992-03-03 General Motors Corporation Hot pressed magnets in open air presses
JP3932143B2 (ja) * 1992-02-21 2007-06-20 Ｔｄｋ株式会社 磁石の製造方法
US5403408A (en) * 1992-10-19 1995-04-04 Inland Steel Company Non-uniaxial permanent magnet material
US6019859A (en) * 1994-09-02 2000-02-01 Sumitomo Special Metals Co., Ltd. Iron-based permanent magnets and their fabrication as well as iron-based permanent magnet alloy powders for permanent bonded magnets and iron-based bonded magnets
EP0657899B1 (de) * 1993-12-10 2000-03-08 Sumitomo Special Metals Company Limited Dauermagnet-Legierungspulver auf Eisenbasis für harzgebundene Magneten und daraus hergestellte Magneten
US5750044A (en) * 1994-07-12 1998-05-12 Tdk Corporation Magnet and bonded magnet
JP3311907B2 (ja) * 1994-10-06 2002-08-05 増本 健 永久磁石材料、永久磁石及び永久磁石の製造方法
US6004407A (en) * 1995-09-22 1999-12-21 Alps Electric Co., Ltd. Hard magnetic materials and method of producing the same
DE69707185T2 (de) * 1996-04-10 2002-06-27 Showa Denko Kk Gusslegierung für die Herstellung von Dauermagneten mit seltenen Erden und Verfahren zur Herstellung dieser Legierung und dieser Dauermagneten
US5725792A (en) * 1996-04-10 1998-03-10 Magnequench International, Inc. Bonded magnet with low losses and easy saturation
JP3299887B2 (ja) * 1996-06-27 2002-07-08 明久 井上 硬質磁性材料
EP0860838B1 (de) 1997-02-20 2004-04-21 Alps Electric Co., Ltd. Dauermagnetlegierung, Dauermagnetlegierungs-Pressling und Herstellungsverfahren dazu
US6692582B1 (en) 1997-02-20 2004-02-17 Alps Electric Co., Ltd. Hard magnetic alloy, hard magnetic alloy compact and method for producing the same
EP0867897B1 (de) * 1997-03-25 2003-11-26 Alps Electric Co., Ltd. Auf Fe basierte hartmagnetische Legierung mit einer supergekühlter Spanne
JPH1132453A (ja) * 1997-07-08 1999-02-02 Alps Electric Co Ltd ステッピングモータ及びステッピングモータ用の硬磁性合金の製造方法
JPH1197222A (ja) * 1997-09-19 1999-04-09 Shin Etsu Chem Co Ltd 異方性希土類永久磁石材料及び磁石粉末
US6332933B1 (en) 1997-10-22 2001-12-25 Santoku Corporation Iron-rare earth-boron-refractory metal magnetic nanocomposites
JP2000003808A (ja) * 1997-12-02 2000-01-07 Alps Electric Co Ltd 硬磁性材料
US6425961B1 (en) 1998-05-15 2002-07-30 Alps Electric Co., Ltd. Composite hard magnetic material and method for producing the same
CA2336011A1 (en) * 1998-07-13 2000-01-20 Santoku America, Inc. High performance iron-rare earth-boron-refractory-cobalt nanocomposites
US6302972B1 (en) 1998-12-07 2001-10-16 Sumitomo Special Metals Co., Ltd Nanocomposite magnet material and method for producing nanocomposite magnet
US6302939B1 (en) 1999-02-01 2001-10-16 Magnequench International, Inc. Rare earth permanent magnet and method for making same
US6589367B2 (en) * 1999-06-14 2003-07-08 Shin-Etsu Chemical Co., Ltd. Anisotropic rare earth-based permanent magnet material
JP3365625B2 (ja) 1999-09-16 2003-01-14 住友特殊金属株式会社 ナノコンポジット磁石粉末および磁石の製造方法
JP2001196210A (ja) * 2000-01-06 2001-07-19 Seiko Epson Corp 磁石粉末および等方性ボンド磁石
JP2001196211A (ja) * 2000-01-06 2001-07-19 Seiko Epson Corp 磁石粉末および等方性ボンド磁石
KR100562681B1 (ko) 2000-05-24 2006-03-23 가부시키가이샤 네오맥스 복수의 강자성상을 포함하는 영구자석 및 그 제조방법
JP4243413B2 (ja) * 2000-05-31 2009-03-25 セイコーエプソン株式会社 磁石粉末の製造方法およびボンド磁石の製造方法
JP4243415B2 (ja) * 2000-06-06 2009-03-25 セイコーエプソン株式会社 磁石粉末の製造方法およびボンド磁石の製造方法
DE60143830D1 (de) * 2000-08-11 2011-02-24 Nissan Motor Anisotroper Magnet und zugehöriges Herstellungsverfahren
US7004228B2 (en) * 2000-10-06 2006-02-28 Santoku Corporation Process for producing, through strip casting, raw alloy for nanocomposite type permanent magnet
US6790296B2 (en) 2000-11-13 2004-09-14 Neomax Co., Ltd. Nanocomposite magnet and method for producing same
US7217328B2 (en) 2000-11-13 2007-05-15 Neomax Co., Ltd. Compound for rare-earth bonded magnet and bonded magnet using the compound
WO2002093591A2 (en) 2001-05-15 2002-11-21 Sumitomo Special Metals Co., Ltd. Iron-based rare earth alloy nanocomposite magnet and method for producing the same
JP4055709B2 (ja) 2001-07-31 2008-03-05 日立金属株式会社 アトマイズ法によるナノコンポジット磁石の製造方法
JP4069727B2 (ja) * 2001-11-20 2008-04-02 日立金属株式会社 希土類系ボンド磁石用コンパウンドおよびそれを用いたボンド磁石
WO2003044812A1 (en) 2001-11-22 2003-05-30 Sumitomo Special Metals Co., Ltd. Nanocomposite magnet
US7311788B2 (en) * 2002-09-30 2007-12-25 Tdk Corporation R-T-B system rare earth permanent magnet
DE60317460T2 (de) * 2002-09-30 2008-09-18 Tdk Corp. Seltenerdelement-permanentmagnet auf r-t-b-basis
US7255751B2 (en) 2002-09-30 2007-08-14 Tdk Corporation Method for manufacturing R-T-B system rare earth permanent magnet
DE10255604B4 (de) * 2002-11-28 2006-06-14 Vacuumschmelze Gmbh & Co. Kg Verfahren zum Herstellen eines anisotropen Magnetpulvers und eines gebundenen anisotropen Magneten daraus
ES2379065T3 (es) 2003-12-02 2012-04-20 Reynolds Consumer Products Inc. Corredera para cierres que se pueden volver a cerrar
JP4687662B2 (ja) * 2007-02-06 2011-05-25 日立金属株式会社 鉄基希土類合金磁石
JP5071409B2 (ja) * 2009-02-24 2012-11-14 日立金属株式会社 鉄基希土類系ナノコンポジット磁石およびその製造方法
CN102379013B (zh) * 2009-03-31 2014-12-17 日立金属株式会社 纳米复合材料块材磁体及其制造方法
US8821650B2 (en) * 2009-08-04 2014-09-02 The Boeing Company Mechanical improvement of rare earth permanent magnets
JP5910074B2 (ja) * 2011-12-27 2016-04-27 Tdk株式会社 Ｒ−Ｔ−Ｚｒ−Ｂ系希土類金属磁石
CN105723480B (zh) 2013-06-17 2018-07-17 城市矿业科技有限责任公司 磁铁再生以产生磁性性能改善或恢复的Nd-Fe-B磁铁
JP6171662B2 (ja) * 2013-07-23 2017-08-02 Tdk株式会社 希土類磁石、電動機、及び電動機を備える装置
CN104752013A (zh) * 2013-12-27 2015-07-01 比亚迪股份有限公司 一种稀土永磁材料及其制备方法
CN103871708B (zh) * 2014-03-04 2016-04-13 山西雷麦电子科技有限公司 一种铁钴基高磁化强度软磁材料及制备方法
CN104952574A (zh) 2014-03-31 2015-09-30 厦门钨业股份有限公司 一种含W的Nd-Fe-B-Cu系烧结磁铁
JP6380738B2 (ja) * 2014-04-21 2018-08-29 Tdk株式会社 Ｒ−ｔ−ｂ系永久磁石、ｒ−ｔ−ｂ系永久磁石用原料合金
US9336932B1 (en) 2014-08-15 2016-05-10 Urban Mining Company Grain boundary engineering
CN115244206A (zh) * 2020-03-12 2022-10-25 株式会社村田制作所 铁基稀土类硼系各向同性磁铁合金
CN116568836A (zh) * 2020-12-08 2023-08-08 株式会社东金 永磁体及其制造方法和装置

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JPS6027167B2 (ja) * 1979-02-09 1985-06-27 日立金属株式会社 永久磁石
JPS57141901A (en) * 1981-02-26 1982-09-02 Mitsubishi Steel Mfg Co Ltd Permanent magnet powder
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JPS6057686B2 (ja) * 1982-09-30 1985-12-16 株式会社東芝 永久磁石薄帯及びその製造方法
JPS59112602A (ja) * 1982-12-20 1984-06-29 Toshiba Corp 永久磁石
JPS609852A (ja) * 1983-06-24 1985-01-18 ゼネラル・モ−タ−ズ・コ−ポレ−シヨン 高エネルギ−積の稀土類−鉄磁石合金
JPH062929B2 (ja) * 1983-10-21 1994-01-12 住友特殊金属株式会社 永久磁石材料
JPS60144906A (ja) * 1984-01-06 1985-07-31 Daido Steel Co Ltd 永久磁石材料
AU573895B2 (en) * 1984-09-17 1988-06-23 Ovonic Synthetic Materials Company, Inc. Hard magnetic material
JPS6179749A (ja) * 1984-09-26 1986-04-23 Seiko Instr & Electronics Ltd 永久磁石用合金
US4765848A (en) * 1984-12-31 1988-08-23 Kaneo Mohri Permanent magnent and method for producing same
JPH0789521B2 (ja) * 1985-03-28 1995-09-27 株式会社東芝 希土類鉄系永久磁石
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Also Published As

Publication number Publication date
EP0302395B1 (de) 1992-10-07
JPH01103805A (ja) 1989-04-20
EP0302395A1 (de) 1989-02-08
US5049208A (en) 1991-09-17
DE3875183D1 (de) 1992-11-12

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